diff --git a/config.ts b/config.ts
index fecf356..9979953 100644
--- a/config.ts
+++ b/config.ts
@@ -28,6 +28,7 @@ export type ConfigType = {
     flutter_frontend?: string;
     fetch_timeout: number;
     download_timeout: number;
+    ffprobe_path: string;
 };
 
 export enum ThumbnailMethod {
@@ -172,6 +173,9 @@ export class Config {
     get download_timeout() {
         return this._return_number("download_timeout") || 10000;
     }
+    get ffprobe_path() {
+        return this._return_string("ffprobe_path") || "ffprobe";
+    }
     to_json(): ConfigType {
         return {
             cookies: typeof this.cookies === "string",
@@ -200,6 +204,7 @@ export class Config {
             flutter_frontend: this.flutter_frontend,
             fetch_timeout: this.fetch_timeout,
             download_timeout: this.download_timeout,
+            ffprobe_path: this.ffprobe_path,
         };
     }
 }
diff --git a/fresh.gen.ts b/fresh.gen.ts
index 1a8a945..c64d2e5 100644
--- a/fresh.gen.ts
+++ b/fresh.gen.ts
@@ -10,27 +10,30 @@ import * as $4 from "./routes/api/exit.ts";
 import * as $5 from "./routes/api/export/gallery/zip/[gid].ts";
 import * as $6 from "./routes/api/file/[id].ts";
 import * as $7 from "./routes/api/file/random.ts";
-import * as $8 from "./routes/api/filemeta.ts";
-import * as $9 from "./routes/api/filemeta/[token].ts";
-import * as $10 from "./routes/api/files/[token].ts";
-import * as $11 from "./routes/api/gallery/[gid].ts";
-import * as $12 from "./routes/api/gallery/list.ts";
-import * as $13 from "./routes/api/status.ts";
-import * as $14 from "./routes/api/tag/[id].ts";
-import * as $15 from "./routes/api/tag/rows.ts";
-import * as $16 from "./routes/api/task.ts";
-import * as $17 from "./routes/api/thumbnail/[id].ts";
-import * as $18 from "./routes/api/token.ts";
-import * as $19 from "./routes/api/user.ts";
-import * as $20 from "./routes/file/[id].ts";
-import * as $21 from "./routes/file/_middleware.ts";
-import * as $22 from "./routes/index.tsx";
-import * as $23 from "./routes/manifest.json.ts";
-import * as $24 from "./routes/thumbnail/[id].ts";
-import * as $25 from "./routes/thumbnail/_middleware.ts";
+import * as $8 from "./routes/api/file/upload.ts";
+import * as $9 from "./routes/api/filemeta.ts";
+import * as $10 from "./routes/api/filemeta/[token].ts";
+import * as $11 from "./routes/api/files/[token].ts";
+import * as $12 from "./routes/api/gallery/[gid].ts";
+import * as $13 from "./routes/api/gallery/list.ts";
+import * as $14 from "./routes/api/status.ts";
+import * as $15 from "./routes/api/tag/[id].ts";
+import * as $16 from "./routes/api/tag/rows.ts";
+import * as $17 from "./routes/api/task.ts";
+import * as $18 from "./routes/api/thumbnail/[id].ts";
+import * as $19 from "./routes/api/token.ts";
+import * as $20 from "./routes/api/user.ts";
+import * as $21 from "./routes/file/[id].ts";
+import * as $22 from "./routes/file/_middleware.ts";
+import * as $23 from "./routes/index.tsx";
+import * as $24 from "./routes/manifest.json.ts";
+import * as $25 from "./routes/thumbnail/[id].ts";
+import * as $26 from "./routes/thumbnail/_middleware.ts";
+import * as $27 from "./routes/upload.tsx";
 import * as $$0 from "./islands/Container.tsx";
 import * as $$1 from "./islands/Settings.tsx";
 import * as $$2 from "./islands/TaskManager.tsx";
+import * as $$3 from "./islands/Upload.tsx";
 
 const manifest = {
     routes: {
@@ -42,29 +45,32 @@ const manifest = {
         "./routes/api/export/gallery/zip/[gid].ts": $5,
         "./routes/api/file/[id].ts": $6,
         "./routes/api/file/random.ts": $7,
-        "./routes/api/filemeta.ts": $8,
-        "./routes/api/filemeta/[token].ts": $9,
-        "./routes/api/files/[token].ts": $10,
-        "./routes/api/gallery/[gid].ts": $11,
-        "./routes/api/gallery/list.ts": $12,
-        "./routes/api/status.ts": $13,
-        "./routes/api/tag/[id].ts": $14,
-        "./routes/api/tag/rows.ts": $15,
-        "./routes/api/task.ts": $16,
-        "./routes/api/thumbnail/[id].ts": $17,
-        "./routes/api/token.ts": $18,
-        "./routes/api/user.ts": $19,
-        "./routes/file/[id].ts": $20,
-        "./routes/file/_middleware.ts": $21,
-        "./routes/index.tsx": $22,
-        "./routes/manifest.json.ts": $23,
-        "./routes/thumbnail/[id].ts": $24,
-        "./routes/thumbnail/_middleware.ts": $25,
+        "./routes/api/file/upload.ts": $8,
+        "./routes/api/filemeta.ts": $9,
+        "./routes/api/filemeta/[token].ts": $10,
+        "./routes/api/files/[token].ts": $11,
+        "./routes/api/gallery/[gid].ts": $12,
+        "./routes/api/gallery/list.ts": $13,
+        "./routes/api/status.ts": $14,
+        "./routes/api/tag/[id].ts": $15,
+        "./routes/api/tag/rows.ts": $16,
+        "./routes/api/task.ts": $17,
+        "./routes/api/thumbnail/[id].ts": $18,
+        "./routes/api/token.ts": $19,
+        "./routes/api/user.ts": $20,
+        "./routes/file/[id].ts": $21,
+        "./routes/file/_middleware.ts": $22,
+        "./routes/index.tsx": $23,
+        "./routes/manifest.json.ts": $24,
+        "./routes/thumbnail/[id].ts": $25,
+        "./routes/thumbnail/_middleware.ts": $26,
+        "./routes/upload.tsx": $27,
     },
     islands: {
         "./islands/Container.tsx": $$0,
         "./islands/Settings.tsx": $$1,
         "./islands/TaskManager.tsx": $$2,
+        "./islands/Upload.tsx": $$3,
     },
     baseUrl: import.meta.url,
 };
diff --git a/islands/Upload.tsx b/islands/Upload.tsx
new file mode 100644
index 0000000..e85a845
--- /dev/null
+++ b/islands/Upload.tsx
@@ -0,0 +1,44 @@
+import t, { i18n_map, I18NMap } from "../server/i18n.ts";
+
+export type UploaderProps = {
+    i18n?: I18NMap;
+    lang?: string;
+};
+
+export default function Uploader(props: UploaderProps) {
+    if (props.i18n) i18n_map.value = props.i18n;
+    return (
+        <form
+            action="/api/file/upload"
+            method="post"
+            encType="multipart/form-data"
+        >
+            <input
+                type="file"
+                name="file"
+                required={true}
+                accept=".jpg,.jpeg,.png"
+            />
+            <br />
+            {t("upload.filename")}{" "}
+            <input
+                type="text"
+                name="filename"
+                placeholder={t("upload.filename")}
+            />
+            <br />
+            <input id="is_original" type="checkbox" name="is_original" />{" "}
+            <label for="is_original">{t("upload.is_original")}</label>
+            <br />
+            <input
+                id="token"
+                type="text"
+                name="token"
+                placeholder={t("upload.token")}
+                required={true}
+            />
+            <br />
+            <input type="submit" value={t("upload.upload")} />
+        </form>
+    );
+}
diff --git a/routes/api/file/upload.ts b/routes/api/file/upload.ts
new file mode 100644
index 0000000..dbcbca1
--- /dev/null
+++ b/routes/api/file/upload.ts
@@ -0,0 +1,75 @@
+import { Handlers } from "$fresh/server.ts";
+import type { EhFile } from "../../../db.ts";
+import { get_task_manager } from "../../../server.ts";
+import { return_data, return_error } from "../../../server/utils.ts";
+import { get_string, parse_bool } from "../../../server/parse_form.ts";
+import { fb_get_size } from "../../../thumbnail/ffmpeg_binary.ts";
+import { sure_dir } from "../../../utils.ts";
+import mime from "mime";
+import { extname, join, resolve } from "std/path/mod.ts";
+
+export const handler: Handlers = {
+    async POST(req, _ctx) {
+        const m = get_task_manager();
+        try {
+            const form = await req.formData();
+            const file = form.get("file");
+            if (!file) {
+                return return_error(1, "Missing file.");
+            }
+            const mext = typeof file === "string"
+                ? null
+                : `.${mime.getExtension(file.type)}`;
+            const filename = (await get_string(form.get("filename"))) ||
+                (typeof file === "string" ? null : file.name);
+            if (!filename) {
+                return return_error(2, "Missing filename.");
+            }
+            const fext = extname(filename);
+            const fn = mext == fext
+                ? filename
+                : `${filename.slice(0, filename.length - fext.length)}${mext}`;
+            const dir = (await get_string(form.get("dir"))) ||
+                join(m.cfg.base, "uploaded");
+            const is_original = await parse_bool(
+                form.get("is_original"),
+                false,
+            );
+            const token = await get_string(form.get("token"));
+            if (!token) {
+                return return_error(3, "Missing token.");
+            }
+            const path = join(dir, fn);
+            await sure_dir(dir);
+            try {
+                if (typeof file === "string") {
+                    await Deno.writeTextFile(path, file);
+                } else {
+                    await Deno.writeFile(path, file.stream());
+                }
+                const size = await fb_get_size(path);
+                if (!size) {
+                    await Deno.remove(path);
+                    return return_error(4, "Failed to get file size.");
+                }
+                const rpath = resolve(path);
+                const f = {
+                    id: 0,
+                    path: rpath,
+                    width: size.width,
+                    height: size.height,
+                    is_original,
+                    token,
+                } as EhFile;
+                const nf = m.db.add_file(f, false);
+                return return_data(nf);
+            } catch (e) {
+                await Deno.remove(path);
+                throw e;
+            }
+        } catch (e) {
+            console.error(e);
+            return return_error(500, "Internal Server Error.");
+        }
+    },
+};
diff --git a/routes/api/status.ts b/routes/api/status.ts
index 4be2e9e..fcb0f83 100644
--- a/routes/api/status.ts
+++ b/routes/api/status.ts
@@ -26,6 +26,9 @@ export const handler: Handlers = {
             m.cfg.ffmpeg_path,
         );
         const ffmpeg_api_enabled = await check_ffmpeg_api();
+        const ffprobe_binary_enabled = await check_ffmpeg_binary(
+            m.cfg.ffprobe_path,
+        );
         const meilisearch_enabled = m.meilisearch !== undefined;
         let meilisearch;
         if (
@@ -50,6 +53,7 @@ export const handler: Handlers = {
         return return_data<StatusData>({
             ffmpeg_api_enabled,
             ffmpeg_binary_enabled,
+            ffprobe_binary_enabled,
             meilisearch_enabled,
             meilisearch,
             no_user,
diff --git a/routes/upload.tsx b/routes/upload.tsx
new file mode 100644
index 0000000..314e2f8
--- /dev/null
+++ b/routes/upload.tsx
@@ -0,0 +1,31 @@
+import { Handlers, PageProps } from "$fresh/server.ts";
+import GlobalContext from "../components/GlobalContext.tsx";
+import Uploader from "../islands/Upload.tsx";
+import { get_i18nmap, i18n_handle_request } from "../server/i18ns.ts";
+
+type Props = {
+    lang: string;
+};
+
+export const handler: Handlers<Props> = {
+    GET(req, ctx) {
+        const re = i18n_handle_request(req);
+        if (typeof re === "string") {
+            return ctx.render({
+                lang: re,
+            });
+        }
+        return re;
+    },
+};
+
+export default function Upload({ data }: PageProps<Props>) {
+    const i18n = get_i18nmap(data.lang, "upload");
+    return (
+        <body>
+            <GlobalContext>
+                <Uploader i18n={i18n} lang={data.lang} />
+            </GlobalContext>
+        </body>
+    );
+}
diff --git a/server/i18ns.ts b/server/i18ns.ts
index 6b4065a..1df3744 100644
--- a/server/i18ns.ts
+++ b/server/i18ns.ts
@@ -7,8 +7,8 @@ import { get_host } from "./utils.ts";
 
 const whole_maps = new Map<string, I18NMap>();
 const LANGUAGES = ["zh-cn"];
-type MODULE = "common" | "settings" | "task" | "user";
-const MODULES: MODULE[] = ["common", "settings", "task", "user"];
+type MODULE = "common" | "settings" | "task" | "upload" | "user";
+const MODULES: MODULE[] = ["common", "settings", "task", "upload", "user"];
 
 export async function load_translation(signal?: AbortSignal) {
     let base = import.meta.resolve("../translation").slice(7);
diff --git a/server/status.ts b/server/status.ts
index 5e7224e..255d227 100644
--- a/server/status.ts
+++ b/server/status.ts
@@ -1,6 +1,7 @@
 export type StatusData = {
     ffmpeg_api_enabled: boolean;
     ffmpeg_binary_enabled: boolean;
+    ffprobe_binary_enabled: boolean;
     meilisearch_enabled: boolean;
     meilisearch?: {
         host: string;
diff --git a/tasks/download.ts b/tasks/download.ts
index a11d517..9e2ff4d 100644
--- a/tasks/download.ts
+++ b/tasks/download.ts
@@ -11,6 +11,7 @@ import {
 import { RecoverableError, TaskManager } from "../task_manager.ts";
 import {
     add_suffix_to_path,
+    asyncEvery,
     asyncFilter,
     promiseState,
     PromiseStatus,
@@ -235,11 +236,13 @@ export async function download_task(
     async function download_task(names: Record<string, number>, i: Image) {
         const ofiles = db.get_files(i.page_token);
         if (ofiles.length) {
-            const t = ofiles[0];
-            if (
-                (t.is_original || !download_original_img) &&
-                (await exists(t.path))
-            ) {
+            const need = await asyncEvery(
+                ofiles,
+                async (t) =>
+                    (!t.is_original && download_original_img) ||
+                    (!await exists(t.path)),
+            );
+            if (!need) {
                 const p = db.get_pmeta_by_index(task.gid, i.index);
                 if (!p) {
                     const op = db.get_pmeta_by_token(
diff --git a/thumbnail/ffmpeg_binary.ts b/thumbnail/ffmpeg_binary.ts
index 663ea13..b191979 100644
--- a/thumbnail/ffmpeg_binary.ts
+++ b/thumbnail/ffmpeg_binary.ts
@@ -11,6 +11,34 @@ export async function check_ffmpeg_binary(p: string) {
     return o.code === 0;
 }
 
+export async function fb_get_size(i: string) {
+    const cmd = new Deno.Command("ffprobe", {
+        stdout: "piped",
+        stderr: "piped",
+        args: [
+            "-v",
+            "error",
+            "-select_streams",
+            "v:0",
+            "-show_entries",
+            "stream=width,height",
+            "-of",
+            "csv=s=x:p=0",
+            i,
+        ],
+    });
+    const c = cmd.spawn();
+    const o = await c.output();
+    if (o.code !== 0) {
+        return null;
+    }
+    const s = (new TextDecoder()).decode(o.stdout).trim().split("x");
+    return {
+        width: parseInt(s[0]),
+        height: parseInt(s[1]),
+    };
+}
+
 export async function fb_generate_thumbnail(
     p: string,
     i: string,
diff --git a/translation/en/upload.jsonc b/translation/en/upload.jsonc
new file mode 100644
index 0000000..267dd6c
--- /dev/null
+++ b/translation/en/upload.jsonc
@@ -0,0 +1,6 @@
+{
+    "upload": "Upload file",
+    "filename": "Filename",
+    "is_original": "Marked as original file",
+    "token": "Token"
+}
diff --git a/translation/zh-cn/upload.jsonc b/translation/zh-cn/upload.jsonc
new file mode 100644
index 0000000..0d7fbc6
--- /dev/null
+++ b/translation/zh-cn/upload.jsonc
@@ -0,0 +1,6 @@
+{
+    "upload": "上传文件",
+    "filename": "文件名",
+    "is_original": "标记为原始文件",
+    "token": "Token"
+}